E810CQDA2 Intel 2-Ports QSFP28 100Gbps PCI-E Low Profile Network Adapter

Intel E810CQDA2 Dual-Port PCIe Ethernet Adapter Outline

The Intel E810CQDA2 is a next-generation 100 Gigabit Ethernet network interface card designed for enterprise servers, cloud data centers, and high-speed computing environments. Built on Intel’s advanced architecture, this dual-port adapter delivers ultra-low latency, high throughput, and scalable connectivity for modern workloads.

Main Information about this Intel E810CQDA2

• Manufacturer: Intel
• Model / Part Number: E810CQDA2
• Product Category: High-speed Network Adapter (NIC)
• Interface Type: PCI Express 4.0 x16
• Port Configuration: Dual QSFP28 ports

Advanced Hardware Specifications

Form Factor and Interface Details

• Form Factor: Plug-in card (Low Profile)
• Bus Interface: PCIe 4.0 x16 (backward compatible with PCIe 3.0)
• Slot Compatibility: PCI Express x16 server slots

Network Connectivity and Port Configuration

• Ports: 2 × QSFP28
• Connection Type: Wired Ethernet
• Supported Speeds: 10GbE, 25GbE, 50GbE, 100GbE
• Protocols: Gigabit Ethernet and Multi-Gig Ethernet standards

Supported Protocols and Performance Features

Data Link and Network Protocol Support

• IEEE 802.1p Quality of Service (QoS)
• Data Link Protocols: GigE, 10 GigE, 25 GigE, 50 GigE, 100 Gigabit Ethernet
• Remote Management: SNMP and RMON support

Advanced Acceleration and Offload Features

• RDMA (Remote Direct Memory Access) support
• RoCE v2 (RDMA over Converged Ethernet)
• MSI-X (Message Signaled Interrupts Extension)
• DSCP (Differentiated Services Code Point) QoS support

Compact Design for Server Integration

• Dimensions: 6.6 inches × 2.7 inches
• Bracket Type: Full-height bracket included
• Deployment: Enterprise servers and rack-mounted systems

Durability and Reliability in Data Center Environments

• Operating Temperature Range: 32°F to 131°F (0°C to 55°C)
• Humidity Range: Up to 90% non-condensing

Intel E810CQDA2 100Gb Dual-Port Ethernet Network Adapter

The Intel E810CQDA2 100Gb Dual-Port PCI Express 4.0 x16 Ethernet Network Adapter with Full-Height Bracket represents a high-performance networking solution designed for next-generation data centers, cloud infrastructures, high-performance computing environments, and enterprise-scale virtualization platforms. Built on Intel’s advanced Ethernet 800 Series architecture, this adapter delivers ultra-low latency, exceptional throughput, and highly efficient packet processing capabilities that are essential for today’s data-intensive workloads.

As organizations transition toward AI-driven analytics, distributed cloud systems, and software-defined infrastructures, the demand for reliable and scalable 100 Gigabit Ethernet connectivity continues to grow. This network adapter is engineered to address these requirements by providing dual-port 100GbE support, ensuring redundancy, load balancing, and enhanced bandwidth aggregation within mission-critical environments.

Positioning Within Enterprise Networking Category

Next-Generation Ethernet Adapter Architecture

The Intel E810CQDA2 belongs to the premium class of PCI Express network interface cards designed for high-density server environments. Unlike traditional Gigabit or 10GbE solutions, this adapter is optimized for 100GbE workloads that require massive parallel data transfers, including virtualization clusters, AI training nodes, and large-scale storage systems.

Its architecture is based on Intel’s Ethernet Controller E810 series, which integrates hardware acceleration features, intelligent packet processing, and advanced traffic management capabilities. This ensures that network overhead is minimized while maintaining maximum throughput across both ports.

Enterprise Data Center Integration

Within enterprise environments, the adapter plays a crucial role in leaf-spine network architectures, where high-speed interconnectivity between servers, storage systems, and compute nodes is essential. Its dual-port design allows seamless integration into redundant topologies, ensuring uninterrupted data flow even in the event of link failures or maintenance operations.

Advanced PCI Express 4.0 x16 Interface Performance

High-Bandwidth Host Connectivity

The PCI Express 4.0 x16 interface is one of the defining features of the Intel E810CQDA2 network adapter. PCIe Gen 4 doubles the bandwidth per lane compared to PCIe Gen 3, enabling significantly higher data throughput between the network card and the host system. With sixteen lanes dedicated to communication, the adapter ensures that both 100GbE ports operate without bottlenecks even under full load conditions.

Low-Latency Data Path Design

Latency-sensitive applications such as high-frequency trading systems, real-time analytics platforms, and AI inference engines benefit significantly from the optimized PCIe data path. The adapter reduces packet traversal time between network interface and system memory, allowing applications to process incoming and outgoing data streams more efficiently.

Efficient CPU Offloading

By leveraging hardware-based offloading technologies, the adapter minimizes CPU utilization during heavy network traffic operations. Tasks such as checksum calculation, segmentation, and protocol handling are managed directly by the network controller, freeing CPU resources for application-level processing and computational workloads.

Dual-Port 100GbE Connectivity Architecture

High Availability and Redundancy Design

The dual-port configuration of the Intel E810CQDA2 provides built-in redundancy and failover capabilities, which are essential for mission-critical enterprise systems. Each port operates independently, allowing administrators to configure active-active or active-passive networking modes depending on infrastructure requirements.

Load Balancing Across Network Interfaces

In high-throughput environments, distributing traffic across both 100GbE ports ensures optimal utilization of available bandwidth. This load balancing capability enhances application performance, reduces congestion, and improves overall system responsiveness in multi-tenant data center environments.

Scalable Network Expansion

The dual-port design also enables scalable network expansion strategies. Organizations can integrate the adapter into clustered systems where multiple nodes require synchronized high-speed communication, ensuring that scaling out compute or storage resources does not introduce network bottlenecks.

Advanced Virtualization and Cloud Optimization

SR-IOV and Virtual Function Support

The Intel E810CQDA2 supports Single Root I/O Virtualization (SR-IOV), allowing a single physical network adapter to be partitioned into multiple virtual functions. This capability is essential for modern cloud infrastructures and virtual machine environments where isolated and dedicated network resources are required for each workload.

Multi-Tenant Cloud Efficiency

In cloud computing environments, efficient resource allocation is critical. SR-IOV enables multiple virtual machines to access dedicated virtual network interfaces with near-native performance, reducing overhead caused by hypervisor-level packet processing and improving overall network efficiency.

Containerized Workload Optimization

Container-based architectures such as Kubernetes clusters also benefit from the adapter’s virtualization capabilities. By enabling direct hardware access paths, the adapter reduces network latency for microservices communication and improves the performance of distributed applications.

Remote Direct Memory Access (RDMA) Capabilities

Low-Latency Data Transfer Mechanisms

One of the most significant features supported by the Intel E810CQDA2 is RDMA over Converged Ethernet (RoCE). RDMA allows data to be transferred directly between memory spaces of different systems without involving the CPU, significantly reducing latency and improving throughput for data-intensive applications.

High-Performance Computing Acceleration

In HPC environments, RDMA is essential for workloads such as scientific simulations, genomic analysis, and large-scale matrix computations. By bypassing traditional TCP/IP stacks, the adapter ensures faster inter-node communication and improved parallel processing efficiency.

Storage Networking Optimization

RDMA also enhances storage networking protocols such as NVMe over Fabrics, enabling ultra-fast access to distributed storage systems. This reduces I/O bottlenecks and improves the performance of high-speed storage arrays used in enterprise databases and virtualization platforms.

Hyperscale Infrastructure Integration

The Intel E810CQDA2 is designed for hyperscale data centers that require massive networking throughput and consistent performance under heavy load conditions. Its architecture supports distributed computing environments where thousands of servers communicate simultaneously.

Storage Networking and Data Intensive Environments

High-Speed Storage Connectivity

Modern storage infrastructures require high-bandwidth networking to support distributed file systems and object storage platforms. The Intel E810CQDA2 ensures consistent 100GbE connectivity between storage nodes, enabling fast data replication, backup, and recovery processes.

NVMe over Fabrics Acceleration

NVMe over Fabrics deployments benefit significantly from the adapter’s low latency and RDMA support. Storage systems can deliver near-local disk performance even when accessed over a network, improving scalability and efficiency in enterprise storage architectures.

Distributed File System Optimization

File systems designed for large-scale data environments rely on consistent network performance to maintain data integrity and synchronization. The adapter ensures stable throughput for distributed storage clusters, reducing the risk of performance degradation under heavy workloads.

Security and Data Integrity Features

Hardware-Based Security Acceleration

Security is a critical component of modern networking infrastructure. The Intel E810CQDA2 integrates hardware-based security features that assist in encryption, packet inspection, and secure data transmission across network interfaces.

Secure Virtualization Environments

In virtualized environments, maintaining isolation between tenants is essential. The adapter supports secure partitioning of network resources, ensuring that virtual machines operate within isolated communication channels without data leakage risks.

Trusted Data Transmission

The adapter enhances data integrity by supporting advanced checksum offloading and secure packet handling mechanisms. This ensures that transmitted data remains consistent and uncorrupted across high-speed network paths.

Compatibility and System Integration

Server Platform Support

The Intel E810CQDA2 is compatible with a wide range of enterprise server platforms that support PCI Express 4.0 x16 slots. It is commonly deployed in rack-mounted servers, blade systems, and high-density compute nodes designed for data center environments.

Operating System Support

The adapter supports major enterprise operating systems including Linux distributions, Windows Server environments, and virtualization hypervisors. This ensures broad compatibility across heterogeneous IT infrastructures.

Driver and Firmware Optimization

Intel provides optimized drivers and firmware updates that enhance performance, stability, and feature support. These updates ensure long-term reliability and compatibility with evolving data center technologies.

Thermal Design and Physical Form Factor

Full-Height Bracket Configuration

The inclusion of a full-height bracket ensures compatibility with standard enterprise server chassis. This physical design supports stable mounting and efficient airflow within rack-mounted systems, which is critical for maintaining optimal operating temperatures under heavy network loads.

Thermal Efficiency in High-Density Environments

High-performance 100GbE adapters generate significant heat during sustained operation. The Intel E810CQDA2 is engineered with efficient thermal management characteristics that allow it to operate reliably in densely populated server environments.

Airflow Optimization in Rack Servers

Proper airflow management within data center racks ensures that network adapters maintain consistent performance levels. The adapter’s design aligns with standard server cooling architectures, allowing seamless integration without disrupting airflow patterns.

Enterprise Deployment Scenarios and Strategic Value

Mission-Critical Networking Infrastructure

The Intel E810CQDA2 is widely used in mission-critical environments where network downtime is not acceptable. Its dual-port redundancy, high bandwidth capacity, and advanced hardware acceleration features make it suitable for financial systems, telecommunications networks, and large-scale enterprise operations.

Edge Computing Deployments

In edge computing scenarios, where data processing occurs closer to the source of generation, the adapter provides high-speed connectivity between edge nodes and centralized cloud infrastructure. This reduces latency and improves real-time decision-making capabilities.

Hybrid Cloud Connectivity

Hybrid cloud architectures require consistent and secure connectivity between on-premises infrastructure and public cloud services. The adapter ensures stable high-speed links that support seamless data synchronization and workload migration across environments.

Long-Term Scalability and Infrastructure Evolution

Future-Ready Network Architecture

As enterprise networking continues to evolve toward higher bandwidth requirements, the Intel E810CQDA2 provides a future-ready foundation that supports next-generation data center designs. Its PCIe 4.0 interface and 100GbE capabilities ensure long-term scalability for growing workloads.

Adaptability for Emerging Technologies

Emerging technologies such as AI accelerators, distributed ledger systems, and advanced analytics platforms require flexible and high-performance networking infrastructure. This adapter is designed to integrate seamlessly into such evolving ecosystems.

Investment Protection in IT Infrastructure

By adopting high-performance networking solutions like the Intel E810CQDA2, enterprises ensure that their infrastructure investments remain relevant and capable of supporting future workload demands without requiring frequent hardware replacement.